OpenAI API o3-pro End of Life Date
OpenAI API o3-pro end-of-life date, support status, and CVE risk. Data reconciled from official vendor documentation and endoflife.date at every build; the source of each date is on the product page.
OpenAI API o3-pro was released on June 10, 2025 and support is scheduled to end on December 11, 2026 — a planned supported lifespan of 1 year and 6 months, in line with the 1 year and 6 months median for OpenAI API releases.
| Version | Latest | EOL Date | Status |
|---|---|---|---|
| text-davinci-002 | text-davinci-002 | Jan 4, 2024 | EOL |
| text-davinci-003 | text-davinci-003 | Jan 4, 2024 | EOL |
| gpt-3.5-turbo-0301 | gpt-3.5-turbo-0301 | Jun 13, 2023 | EOL |
| gpt-4-0314 | gpt-4-0314 | Jun 13, 2023 | EOL |
| gpt-3.5-turbo-0613 | gpt-3.5-turbo-0613 | Sep 13, 2024 | EOL |
| gpt-4-0613 | gpt-4-0613 | Oct 23, 2026 | Warning |
| gpt-3.5-turbo-instruct | gpt-3.5-turbo-instruct | Sep 28, 2026 | EOL |
| gpt-3.5-turbo-0125 | gpt-3.5-turbo-0125 | Oct 23, 2026 | Warning |
What does OpenAI API o3-pro end of life mean?
When OpenAI API o3-pro reaches end of life, the maintainers stop issuing security patches for this version. CVEs discovered after the EOL date are publicly disclosed on the National Vulnerability Database with no patch available. Exploit code frequently appears on GitHub within days of disclosure.
The CVE blind spot: A CVE-based scan does not show the ongoing accumulation of unpatched vulnerabilities in EOL software versions. Some scanners flag unsupported versions of common products, but coverage varies, and none of them give you the date in advance. Running OpenAI API o3-pro past its EOL date creates a growing attack surface that a clean scan result does not rule out.
Migrate to OpenAI API gpt-4.1-mini or implement compensating controls — network segmentation, enhanced monitoring, restricted access — while migration is underway.